157 



it is often locally common. My number 4645 collected at 

 White Pond, Sussex County, near Andover Junction, on June 26, 

 1910, may be designated as the type. 

 The species may be described and known as : 



^ Carex cryptolepis sp. nov. 



" Carex lepidocarpa Tausch," Dewey, Wood's Class Book (2 Ed.). 



585. 1847. 

 Carex flava L. var. graminis Bailey, Mem. Torr. Club i : 30 (in 



part). 1887. 

 '^ Carex flava L. var. rectirostra Gaud." Fernald Rhodora, 8: 211 



(in part). 1906. 

 "Carex flava L. var. elatior Schlecht." Fernald 1. c. (in part). 



1906. 

 "Carex lepidocarpa Tausch," Mackenzie in Brit. & Brown 111. 



Flora (2d ed.): 430 and fig. 1076. 1913- 



Densely cespitose, not stoloniferous, the culms erect, slender. 

 2-6 dm. high, smooth or very nearly so, obtusely triangular below, 

 acutely triangular above, phyllopodic, light brown at base, 

 exceeding culm leaves, but mostly exceeded by leaves of sterile 

 shoots. Leaves 4-6 to a fertile culm, on lower fourth, but not 

 bunched, light green, the blades erect, flat, 1.5-3 "i"^- wide, 

 usually 0.5-2.5 dm. long, roughened towards apex, not strongly 

 septate, the sheaths conspicuously white-hyaline ventrally, not 

 prolonged upwards at mouth; sterile shoots phyllopodic, con- 

 spicuous, the blades averaging longer. Staminate spike subses- 

 sile to strongly peduncled, 7-18 mm. long, 2-3 mm. wide, occa- 

 sionally partly pistillate at base, its scales oblong-lanceolate, 

 greenish-yellow with green midvein, acute. Pistillate spikes 3 

 or 4, the upper one or two approximate, the next strongly sepa- 

 rated and the lowest often very strongly separated, mostly 

 staminate at apex, sessile or lower exsert-peduncled, oblong, 10- 

 20 mm. long, 7-10 mm. wide, closely 15-35 flowered in many 

 ranks, the upper perigynia ascending, the middle spreading and 

 the lower reflexed; bracts leaf-like, sheathing, the lower with 

 erect, the upper with widely spreading blades. Scales lanceolate, 

 acute, greenish-yellow with green midvein, narrower than and 

 about length of body of perigynia, concealed and inconspicuous 

 at maturity. Perigynia light- or yellowish-green, or at maturity 

 yellowish, 4-4.5 mm. long, the body obovoid, 1.75 mm. wide, 

 inflated, suborbicular in cross-section, the upper part empty, 



